-ic c-- ccc cci cck ccm ccs ci- cic cii cik cim cis ckc cki ckm cks cmc cmi cmk cmm cms csc csi csk csm css icc ici ick icm ics iic iii iim iis ikc iki ikk iks im- imc imi imm ims is- isc isi isk ism iss kcc kci kck kcm kcs kic kii kik kim kis kkc kki kkk kkm kks kmc kmi kmk kmm kms ksc ksi ksk ksm kss mc- mcc mci mck mcm mcs mi- mic mii mik mim mis mkc mkk mkm mks mmc mmi mmk mmm mms msc msi msk msm mss scc sci sck scm scs sic sii sik sim sis sk- skc ski skk skm sks smc smi smk smm sms ss- ssc ssi ssk ssm sss